Evaluating the Observing Internal System in the General State of Taxes and its Role in Increasing the Taxes Revenue. Journal of Accounting and Financial Studies ( JAFS ), [S. l.], v. 10, n. 31, 2019. DOI: 10.34093/jafs.v10i31.370. Disponível em: https://jpgiafs.uobaghdad.edu.iq/index.php/JAFS/article/view/370.. Acesso em: 23 dec. 2024.